John was piloting a plane behind a car but was never able to overtake it. Why?

Spot the cat in the picture below

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

You need to move three matchsticks to form three squares. Can you do it?

Can you place six X (crosses) in below board without making three in a row in any way ?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?